| | |
All BM cases (n = 2382)
|
Confirmed cases (n = 1297)
|
|---|
|
Prognostic Factors
|
Sequelae/Prognostic factor*
|
(%)
|
RR
|
(95% CI)
|
P-value
|
Sequelae/Prognostic factor*
|
(%)
|
RR
|
(95% CI)
|
P-value
|
|---|
|
Etiology
|
|
N. meningitidis
|
Yes
|
15/1091
|
(1.4)
|
0.26
|
(0.15-0.46)
|
< 0.001
|
15/763
|
(2.0)
|
0.22
|
(0.12-0.39)
|
< 0.001
|
| |
No
|
58/1116
|
(5.2)
| | | |
40/445
|
(9.0)
| | | |
|
S. pneumoniae
|
Yes
|
20/161
|
(12.4)
|
4.80
|
(2.94-7.82)
|
< 0.001
|
20/161
|
(12.4)
|
3.72
|
(2.20-6.27)
|
< 0.001
|
| |
No
|
53/2046
|
(2.6)
| | | |
35/1047
|
(3.3)
| | | |
|
H. influenzae
|
Yes
|
11/240
|
(4.6)
|
1.45
|
(0.78-2.72)
|
0.163
|
11/240
|
(4.6)
|
1.01
|
(0.53-1.92)
|
0.980
|
| |
No
|
62/1967
|
(3.2)
| | | |
44/968
|
(4.5)
| | | |
|
Other bacteria
|
Yes
|
9/44
|
(20.5)
|
6.91
|
(3.68-12.99)
|
< 0.001
|
9/44
|
(20.5)
|
5.18
|
(2.71-9.89)
|
< 0.001
|
| |
No
|
64/2163
|
(3.0)
| | | |
46/1164
|
(4.0)
| | | |
|
Unknown
|
Yes
|
18/671
|
(2.7)
|
0.75
|
(0.44-1.27)
|
0.170
|
-
|
-
|
-
|
-
|
-
|
| |
No
|
55/1536
|
(3.6)
| | | |
-
|
-
| | | |
|
Various Characteristics
|
|
Male sex
|
Yes
|
45/1296
|
(3.5)
|
1.12
|
(0.71-1.79)
|
0.356
|
33/690
|
(4.8)
|
1.12
|
(0.66-1.90)
|
0.669
|
| |
No
|
28/907
|
(3.1)
| | | |
22/516
|
(4.3)
| | | |
|
Duration of symptoms < 24 h
|
Yes
|
5/423
|
(1.2)
|
0.32
|
(0.13-0.80)
|
0.004
|
3/240
|
(1.3)
|
0.24
|
(0.07-0.75)
|
0.007
|
| |
No
|
56/1524
|
(3.7)
| | | |
44/828
|
(5.3)
| | | |
|
Age < 2 y
|
Yes
|
50/1038
|
(4.8)
|
2.43
|
(1.49-3.99)
|
< 0.001
|
39/624
|
(6.3)
|
2.15
|
(1.22-3.81)
|
0.007
|
| |
No
|
22/1112
|
(2.0)
| | | |
16/551
|
(2.9)
| | | |
|
Period C
|
Yes
|
11/384
|
(2.9)
|
0.84
|
(0.45-1.58)
|
0.364
|
11/247
|
(4.5)
|
0.97
|
(0.51-1.86)
|
0.933
|
| |
No
|
62/1823
|
(3.4)
| | | |
44/961
|
(4.6)
| | | |
- * Prognostic factor population varies due to missing values
- Missing values ranged from 7.3% to 18.3%
